ChhayaDev

bds pdl flap perio interdental incision crevicular incision internal bewel incision vertical incision horizontal incision undisplaced flap classification of flaps palatal flap papilla preservation flap apically displaced flap distal molar surgery modified widman flap flap surgery periodontal flap periodontology principles of tooth preparatio cavity preparation tooth preparation conservative dentistry operative dentistry dentistry oral surgery hemorrhage and shock